Gas-engine.



C. S. BUTTON.

ENGINE. APPLICATION FILED-OUT, 22, 1907.

Patented Dec. 21, 1999.

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NVEINTOFZ '1. Eamon, of Jersey LvMHudson and. State of New Jersey,

rdail whim it ms mm;

Be it known that '1, CHARLES SnYMoUa City, in

51 vented a certain new an'duseful Improvement in. Gas-Engines,

the following is a specification.

-My invention relates to gas engines of the v two cycletype, ='1n which gas. is-admitted and ignited at eachrevolu 10,.to the cylindertion. ofthe shaft, audits object-is to provld'e "means for: a positive tible mixture. mm the source oi supp the-working cylinder, under all cond1tions, withoutthepossibilitypi its return.

Tof thisQ-endymy i stated, eonsistsdnauthecombination, with a 'workingcylinder, f-a pumping-mechanism, a combustible? mixture reservoir interpose '20 betweenthe a I mechanism, and two-way'vimlve mechanism 'cont rolling thej..alternate .-and i'successive traverse.- oflcombustible .mixture from the .1 pumping ;mechanism .to the. reservoir and 2.5

rom'the, reservoir to the working cylinder,

and" preventing. continuous communication.

- between the purnplngmechanism and theworking-cylinder,

- Theyimprovementclaimed is hereinafter rauy sa forth. a

, In theaccompa'nying drawings: Figure 1 is. a vertical transverse central. section through a as engine illustrating an embodiment oi my invention; Fig. 2, .a side view," partly'n section on the line a a of I Fig -v1; .and Fig. 3, a vertical transverse central section, showing ajmodification in the structural detail of the valve; mechanism. I In the practice of my invention, referring o-first-to Figs. 1

inclfosing a working cylinder, 1, which is formed upon, or fixed'above, a crank case, I: 2, in which isjournaledjamain or cran shaft, 3 the/crank pin, 4, of which is con led, y a'connecting rod, ,5, to a piston, 6, tted to reciprocate in the'working cy inder in the ordinary manner. tible mixture is forced to a reservoir,

thence to the upper end ofthe'working cy .50 inderj by a pumping mechan sm, which, in-

stead ofusing' a'closed crank case to form a pump as in ordinary practice, comprlses an lmder, 8, and a P15- iary auxiliary. or pumping therein, the auxll ton, 9, reciprocating s-swam.

v Specification of Letters ratent; Applicatiomfiled October 22,1907. Serial No. 398,590.

the county ofhaveain- 6, ofthe working cylinder, of which improvement auxiliary cylinder, in this instance, in

transfer of combus-.

ly to considerable nventlon, generallyworking cylinder and pump ng an inclined partition or leads from. the auxiliar explosion or and v 2,. I provide a casing.

. communicates with t in the instances tion.

cylinder by ES,,PATEN D 's-moss amiss, or masnr am, new was. xssrenon or one-Bur I no a. nnnmau was'rruenousn, or new roman. Y. Y

Patented Dec. 21, 1909.

as shown, formed cylinder being 'preferabl of the working cylinder, 1, and the auxiliary piston being made integral but of enlarged diameter, in correspondence with that of the 8. Themeservoir, 7, is, the form of an annular chamber surrounding the 1, and communicating therewith by a port 10, and is-of, sufficient capacity, relatively to the auxiliary cylinder, 8, to prevent any amount of compression.

Communication between the pumpin mechanismfand the reservoir, 7 is controlled by, a valve mechanism comprising, in the instancev shown, a continuously rotating 1 valve, 11, 12, which is fitted inja casing, 13, d on one side of the gas reservoinfand actuating devices for said valve, 'in .t is case spur gears, 14,

15, through which it is rotated by the crankshaft. If preferred, sprocket wheels and a connecting chain, or a linkage system, may be-substituted for the gearing shown. A combustible mixture inlet, 16, is,

formed on one end ofv the valve casing, 13, and the opposite end of the casing commimi 'by alower extension, 0 enlarged diameter,

with the piston,

working. cylinder,

cates, through a port,-17,'with the reservoir, l. The valve is composed of two annular heads, 11, fitting truly d tothe other. A

cylinder, 8, to the 11,01? the valve,

from one hea space between'the hea s,

; which, in its rotation, establishes a continu- 10, throu' h The port e working cylinder, is

controlled by a suitable valve,

1n the casing, and. web, 12,Y'extendi-ngport, 18",--

d the 'p0rt, 18, duringthe working. stroke. of the engine, which "the resenvioir; 5

. 9 the piston, 6,

of the working cylinder being preferably, as

the function of addition to its ordinary and normal func- In operation, mitted from the inlet, 16, to the auxiliary or pumping cylinder, 8, by. the-valve, 11, 12, the explosion or working stroke, as

own, utilized to perform a valve for.sa1d port, ml

combustible mixture is ad .at'the end of this 7 stroke. 'Near thebeginnmg ot the return I combustible mixture inclosed' v voir, 7, to pass into the WOIUIIg cylinder.

I sti'oke',"and

- body of the just'after the port, 10,- has been closed by the piston, the valve establishes communication from he auxiliary or pumping cylinder, 8wthrough theport, 18, the va ve, and the port, 17, to the reservoir, 7. stroke, the v cycle of operations above described is repeated. "Near the .end of the explosion stroke, after the exhaust ias been opened, the pis'ton,

6, acting as a valve,

uncovers the port, 10,- allowing the in the reser- The port, 10, is closed soon after the begin- Wholly by the return stroke ofthe piston, and not being in any manner due to the 110M011 vof the pumping mechanism.

is established'between the pumping cylinder and the reservoir, the p'or't, 1- O, is closed, and

- 1 and 2. The action of this valve, in alterand the reservoir, is similar tible mixture gine casing, of a orking cylinder, a

whenever this between the is closed by the valve, '11, 12. i

Fig.3 illustrates a structuralmodification in which a rocking or vibratory slide valve, actuated by an eccentric, 20, and .eccentric rod, 21, is substituted for the-continuously rotating valve, 11, 12 shown in .Figs.

port is open, communication nately establishing and cutt munication between the pumping cylinder alve first described, and it will be obvious to those skilled in fgas engine construction that a straight faced" ora pair of puppet "valyes, may be used to perform the same functionwithout. departare from the spirit of-my invention.

1 claim as my invention"and-desire to secure by Letters Patent:

1. The combination, in a single gas enpumping cylinder formed inthe. casing, a combusthe Working cylinder and pumping cylinder, and a valve foreontrolling communicationbetween the pumping cylinder and reservoir and arranged tobe openedduring the compression in the pumpmg and working cylinders; Wherebyvis controlled the alternate and successive traverse 0f combusti le mixture from the pumping cylinder to the reservoir and from the reservoir to the Working cylinder and preventing continu- At the beginning of the nextport, 19,

urmg the periods in \vhich communication pumping cylinder and reservoir to that of the slide or piston valve,

reservoir commun cating with ous conimunication between the pumping;

v pumping cylinder to he reservoir, and *from gthe reservoir to the working is controlled cylinder and' in a single gas en-I cylinder, a pump" preventing continuous connmmication between the pumping cylinder 111g cylinder. v

3. The combination, in a s ngle gas engine casing, of a working cylinder, a pump-v and the Working cylinder formed in the casing, a combus con'ununicatijng with tible mixture reservoir the Working cylinder and pumping cylinder and surrounding said \vorking'icylinder, a valve controlling the pumping cylinder and reservoir and'ar pumping and working cylinders, and

mechanism for continuously 'ro'tating'said valve.

4. The combination,

gine casing, of a working cylinder, a' piston reciprocating therein and coupled to acranl; shaft, a pumping cy'linder'of greater diam- .eter than the working cylinder and located ln'line axiallytherewith and formed in the casing, a pistonfitting said pumping cylinder and fixed'to the lpiston cylinder, a combusti l'e mixture reservoir surrounding the working cylinder, a port or passage leading mixture reservoir to in position to be piston of the latter, a port connecting the combustible mixture reservoir, to the pumping cylinder, a valve for'controlling the working cylinder,

communication between" of the working opened and closed by the during the compression in a single gas en from the combustible 1 communication between pumping cylinder and] reservoir and arranged to be opened during the compression in the pumping fiIlCbWOIkmg cylinders, and mechanism for said valve from the crank shaft.

o, SEYMOUR 'rToN, Witnesses? .v I,

JSNOWDEN BELL, Roar. S. KEARNE 2.105 actuating 

